Home / 13,605,002.80-18,774,904.10-7,493,431.30

Finding the Fourth Proportional to 13,605,002.80, 18,774,904.10 and 7,493,431.30

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Solution

The fourth proportional to 13,605,002.80, 18,774,904.10 and 7,493,431.30 is: 10,340,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,002.80 : 18,774,904.10 = 7,493,431.30 : x
  2. Step 2: Convert to fraction form
    13,605,002.80/18,774,904.10 = 7,493,431.30/x
  3. Step 3: Cross multiply
    13,605,002.80x = 18,774,904.10 × 7,493,431.30
  4. Step 4: Simplify right side
    13,605,002.80x = 140,688,454,037,438.34
  5. Step 5: Solve for x
    x = 140,688,454,037,438.34/13,605,002.80
  6. Step 6: Final answer
    x = 10,340,935.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.